Spring-mattress.



R. BRADSHAWa SPRING MATTRESS.

APPLICATION FILED JAN. 30, 1914.

Patented July M, 19%.

To all whom it may concern:

Be it known that l, RICHARD BRADSHAW of the city of Toronto, in the county oi York, in the Province of Ontario, Canada, have invented certain new and useful Improvements in Spring-Mattresses, of which the following is the specification.

My invention relates to improvements in spring mattresses and the object of the invention is to devise means whereby each half 7 of the mattress will be'independent of the other half so as to prevent t e uneven sagging of the mattress due to a heavier weight eing on one side than on the other and yet at the same time will present an even supporting'surtace from one side of the mattress to the other and it consists essentially of a pair of spring mattress sections resilic ntly supported on suitable side bars and spaced apart centrally of the mattress, a spring bar extending longitudinally between the mattress sections, resilient connecting means between each side of the spring bar and each side of the mat-tress sections and resilient connecting means between the ends of the spring bar and the mattress frame as hereinafter more particularly explained by the following specification.

Figure 1, Is a perspective view of my 'mattress. Fig. 2, is a cross sectional view throughlFig. l.

in the drawings like letters of reference indicate corresponding parts in each figure.

A is the mattress frame.

ii and B are spring mattress sections constructed in the usual manner with end bars B to which the webbing forming the body or the spring mattress is connected and side wires 1B connected at'their ends to the end bars B.

it are, tension springs connecting each end of each mattress section to the bars A.

C is a bar located in the intervening s ace between the mattress sections and extending centrally therebetween and at their ends into proximity with the bed frame.

C is a series of tensionsprings connecting one side of the spring bar to the mat/tr section B and C is an opposing set of tension springs connecting the other side of the spring bar C to the mattr section B.

Specification of Letters Fatent.

Application filed January 30, 1914. Serial No. 815,429.

Patented July lid, tern.

v C are tension springs connecting the ends of the spring bar G to the bed frame. By thls means it will be readily seen that should the, mat-tress support a heavier weight on one side than on the other that such side supporting the heavy weight will sink independently of the other side, the tension spring C giving, to the required extent to allow of such independent movement. The spring bar G serves to support the ordinary mattress so that there will be no danger of its sinking in the middle as would otherwise be the case if the tension springs extended completely across from one mattress section to the other.

Although i show my construction as applied to awoven wire mattress it will, of course, be understood that it may be equally well applied to otherforms of mattress such as a link bar spring mattress or an'upholstcrcd spring mattress.

What I claim as my lnvention is- 1. ln a spring mattress, the combination with the main frame, of apair of independent spring mattress sections resiliently supported at their ends in the main frame and spaced apart, a resilient bar extending longitudinally and centrally between the mattress sections and connecting means between the ends of the bar and the main frame, and tension springs connected to each side of the resilient bar and to the inner side of each .mattress section, as and for the purpose specified.

2. in a springmattress, the combination with the main rrame, of a pair of mattress sections resiliently supported at-their ends inthe main frame and suitably spaced apart, a spring bar extending longitudinally and cz-ntrally between the mattress sections, tension springs connecting the ends of the spring bar to the main frame and tension springs connecting each side of the spring bar to the inner sides of the mattress section,

as and for the purpose specified.

RICHARD BRADSHAW.

Witnesses M. Ewan, E. Panacea, 

